Alright, let's work through 83264174 times 71145712 step by step
83264174 × 71145712 = 71145712 × (83264174)
+ 71145712 × 4 what gives us 284582848
+ 71145712 × 70 what gives us 4980199840
+ 71145712 × 100 giving us 7114571200
+ 71145712 × 4000 resulting in 284582848000
+ 71145712 × 60000 which equals 4268742720000
+ 71145712 × 200000 that is equal 14229142400000
+ 71145712 × 3000000 that equals 213437136000000
+ 71145712 × 80000000 resulting in 5691656960000000

= 5923888943321888
